Disk usage skipping mount points (even top-level ones)

for a in /*; do mountpoint -q -- "$a" || du -shx "$a"; done | sort -h
Other solutions that involve doing du -sx /* are incomplete because they will still descend other top-level filesystems are that mounted directly at "/" because the * expands to explicitly include all files and directories in "/", and du will still traverse them even with -x because you asked it to by supplying the directory name as a parameter (indirectly via "*").
Sample Output 
4.0K    /mnt
4.0K    /srv
8.0K    /media
16K     /lost+found
7.4M    /etc
25M     /home
83M     /boot
219M    /root
766M    /tmp
2.7G    /usr
8.3G    /opt
11G     /var

0
By: dmmst19
2024-02-28 01:43:19
du sort mount point disk usage disk space
0
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